Adrian Grunberg (born March 14, 1975), is an American film director and screenwriter.

Grunberg is known for directing and co-writing the film Get the Gringo. Grunberg has also worked as first assistant director on such films as Wall Street: Money Never Sleeps, Edge of Darkness and Apocalypto. In August 2018, Grunberg was announced as the director for Rambo: Last Blood.